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Finding the Fourth Proportional to 18,254.88, 27,386.88 and 9,932.64

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Solution

The fourth proportional to 18,254.88, 27,386.88 and 9,932.64 is: 14,901.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.88 : 27,386.88 = 9,932.64 : x
  2. Step 2: Convert to fraction form
    18,254.88/27,386.88 = 9,932.64/x
  3. Step 3: Cross multiply
    18,254.88x = 27,386.88 × 9,932.64
  4. Step 4: Simplify right side
    18,254.88x = 272,024,019.76
  5. Step 5: Solve for x
    x = 272,024,019.76/18,254.88
  6. Step 6: Final answer
    x = 14,901.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.